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ip_pton: Avoid modification of the string we're converting.

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This commit is contained in:
Martin Mares 1999-04-06 21:31:03 +00:00
parent e2dc2f30ef
commit 7976a574b6
1 changed files with 3 additions and 3 deletions
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6
lib/ipv4.c
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@ -81,12 +81,12 @@ ip_pton(char *a, ip_addr *o)
char *d, *c = strchr(a, '.'); char *d, *c = strchr(a, '.');
if (!c != !i) if (!c != !i)
return 0; return 0;
if (c)
*c++ = 0;
l = strtoul(a, &d, 10); l = strtoul(a, &d, 10);
if (d && *d || l > 255) if (d != c && *d || l > 255)
return 0; return 0;
ia = (ia << 8) | l; ia = (ia << 8) | l;
if (c)
c++;
a = c; a = c;
} }
*o = ipa_from_u32(ia); *o = ipa_from_u32(ia);